/// <summary>
/// Run a test case, evaluate the result, and print the evaulation to the console
/// </summary>
/// <param name="testString">The string to be encrypted</param>
/// <param name="testTitle">The name of the test case</param>
/// <returns>True if the testString encrypted then decrypted and ended up equal to testString, false otherwise </returns>
private static Boolean Test(String testString, String testTitle)
{
String text = testString;
Console.WriteLine(testTitle + ": Starting with " + text);
Byte[] encryptedText;
encryptedText = Step01.Encrypt(Encoding.ASCII.GetBytes(text));
encryptedText = Step02.Encrypt(encryptedText, 'q', 2);
encryptedText = Step03.Encrypt(encryptedText);
encryptedText = Step04.Encrypt(encryptedText);
encryptedText = Step05.Encrypt(encryptedText);
encryptedText = Step06.Encrypt(encryptedText);
encryptedText = Step07.Encrypt(encryptedText);
encryptedText = Step08.Encrypt(encryptedText);
encryptedText = Step09.Encrypt(encryptedText);
int[] mapping = BuildRandomMapping();
encryptedText = Step10.Encrypt(encryptedText, mapping);
// Slip Step 11 because it's a one-way encryption
encryptedText = Step12.Encrypt(encryptedText);
Console.WriteLine("Decrypting " + encryptedText);
Byte[] decryptedText;
decryptedText = Step12.Decrypt(encryptedText);
// Slip Step 11 because it's a one-way encryption
decryptedText = Step10.Decrypt(decryptedText, mapping);
decryptedText = Step09.Decrypt(decryptedText);
decryptedText = Step08.Decrypt(decryptedText);
decryptedText = Step07.Decrypt(decryptedText);
decryptedText = Step06.Decrypt(decryptedText);
decryptedText = Step05.Decrypt(decryptedText);
decryptedText = Step04.Decrypt(decryptedText);
decryptedText = Step03.Decrypt(decryptedText);
decryptedText = Step02.Decrypt(decryptedText, 2);
decryptedText = Step01.Decrypt(decryptedText);
Console.WriteLine("Result = " + decryptedText);
if (text.Equals(decryptedText))
{
Console.WriteLine(testTitle + " Passed");
return(true);
}
else
{
Console.WriteLine(testTitle + " FAILED");
return(false);
}
}
/// <summary> Run a single test case and print every intermediate step for debugging.
/// The results of each step are printed but not evaluated. </summary>
private static void PerformStepByStepTest()
{
String clearText = "abcde";
Console.WriteLine("Starting with " + clearText);
Console.WriteLine("Encrypting...");
// Step 01
Byte[] encryptedTextStep01 = Step01.Encrypt(clearText);
Console.WriteLine("Step 01: " + encryptedTextStep01);
Byte[] decryptedTextStep01 = Step01.Decrypt(encryptedTextStep01);
Console.WriteLine(" Decrypts to " + decryptedTextStep01);
// Step 02
Byte[] encryptedTextStep02 = Step02.Encrypt(encryptedTextStep01, 'q', 2);
Console.WriteLine("Step 02: " + encryptedTextStep02);
Byte[] decryptedTextStep02 = Step02.Decrypt(encryptedTextStep02, 2);
Console.WriteLine(" Decrypts to " + decryptedTextStep02);
//Step 03
Byte[] encryptedTextStep03 = Step03.Encrypt(encryptedTextStep02);
Console.WriteLine("Step 03: " + encryptedTextStep03);
Byte[] decryptedTextStep03 = Step03.Decrypt(encryptedTextStep03);
Console.WriteLine(" Decrypts to " + decryptedTextStep03);
//Step 04
Byte[] encryptedTextStep04 = Step04.Encrypt(encryptedTextStep03);
Console.WriteLine("Step 04: " + encryptedTextStep04);
Byte[] decryptedTextStep04 = Step04.Decrypt(encryptedTextStep04);
Console.WriteLine(" Decrypts to " + decryptedTextStep04);
//Step 05
Byte[] encryptedTextStep05 = Step05.Encrypt(encryptedTextStep04);
Console.WriteLine("Step 05: " + encryptedTextStep05);
Byte[] decryptedTextStep05 = Step05.Decrypt(encryptedTextStep05);
Console.WriteLine(" Decrypts to " + decryptedTextStep05);
//Step 06
Byte[] encryptedTextStep06 = Step06.Encrypt(encryptedTextStep05);
Console.WriteLine("Step 06: " + encryptedTextStep06);
Byte[] decryptedTextStep06 = Step06.Decrypt(encryptedTextStep06);
Console.WriteLine(" Decrypts to " + decryptedTextStep06);
//Step 07
Byte[] encryptedTextStep07 = Step07.Encrypt(encryptedTextStep06);
Console.WriteLine("Step 07: " + encryptedTextStep07);
Byte[] decryptedTextStep07 = Step07.Decrypt(encryptedTextStep07);
Console.WriteLine(" Decrypts to " + decryptedTextStep07);
//Step 08
Byte[] encryptedTextStep08 = Step08.Encrypt(encryptedTextStep07);
Console.WriteLine("Step 08: " + encryptedTextStep08);
Byte[] decryptedTextStep08 = Step08.Decrypt(encryptedTextStep08);
Console.WriteLine(" Decrypts to " + decryptedTextStep08);
//Step 09
Byte[] encryptedTextStep09 = Step09.Encrypt(encryptedTextStep08);
Console.WriteLine("Step 09: " + encryptedTextStep09);
Byte[] decryptedTextStep09 = Step09.Decrypt(encryptedTextStep09);
Console.WriteLine(" Decrypts to " + decryptedTextStep09);
//Step 10
int[] mapping = BuildRandomMapping();
Byte[] encryptedTextStep10 = Step10.Encrypt(encryptedTextStep09, mapping);
Console.WriteLine("Step 10: " + encryptedTextStep10);
Byte[] decryptedTextStep10 = Step10.Decrypt(encryptedTextStep10, mapping);
Console.WriteLine(" Decrypts to " + decryptedTextStep10);
// We skip Step 11 because it uses one-way encryption
// Step 12
Byte[] encryptedTextStep12 = Step12.Encrypt(encryptedTextStep10);
Console.WriteLine("Step 12: " + encryptedTextStep12);
Byte[] decryptedTextStep12 = Step12.Decrypt(encryptedTextStep12);
Console.WriteLine(" Decrypts to " + decryptedTextStep12);
}